Anti-blue light lens glasses are one of the newest perfect accessories. .anti blue ray glasses can effectively obstruct injurious blue ray, electromagnetic wave radiation, and ultraviolet rays. No matter it's computers, laptops or smart phones, the glasses can always help to prevent harmful blue ray the screens emitted, protecting eyes from invisible injurious blue ray. So that the glasses can protect the eyes from computer visual syndrome (eyes losing focus, vision getting unclear, fatigue, ophthalmic acid, bulging, et). Xinmin HUASHI glasses Ltd offer professional fashion glasses frames with Anti-blue light lens. Each pair can allows you to express yourself unique at any time of the day. An iconic frame that will have you looking unique at any time. Frame is made with metal and PC.Also made with Screw hinge and English style nose pieces and transparent nose pad. Frame/Arm:Metal PC/Metal Metal material that is durable enough for long time using. Hinges can be used to reinforce frames.So it will not be easy to break. Super Light will bring you extra comfortable. Department: woman, Material: PC + metal,non-polarized, 100% UV400 Protection From UVA and UVB Rays Polycarbonate , size： Lenses Frame height: 53 mm, Bridge: 16 mm, Lens width: 66 mm Total width of glasses: 142mm,millimeters Arm: 145 mm Lens:PC(polycarbonate) PC material has high hardness.But you will also have to take care of it.